1900752885

素因数分解:

$3^4\times 5^1\times {\mathrm{4693217}}^1$

素因数の和:4693234

約数の個数: 20

約数和(自身を含む): 3407276268

約数和(自身を除く): 1506523383

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4693217, 14079651, 23466085, 42238953, 70398255, 126716859, 211194765, 380150577, 633584295, 1900752885]

約数ペア:

[(1, 1900752885), (3, 633584295), (5, 380150577), (9, 211194765), (15, 126716859), (27, 70398255), (45, 42238953), (81, 23466085), (135, 14079651), (405, 4693217)]